Mathematics is the music of reason.

"The only way to do great work is to love what you do."

You think it will never happen to you, that it cannot happen to you, that you are the only person in the world to whom none of these things will ever happen, and then, one by one, they all begin to happen to you, in the same way they happen to everyone else.

在危机时刻，真正的领导力是通过行动而非言语展现的。